Build failed due to libkudu_client.so not found

11:11:01 Traceback (most recent call last):
11:11:01   File "/data/jenkins/workspace/impala-umbrella-build-and-test/repos/Impala/infra/python/bootstrap_virtualenv.py", line 273, in <module>
11:11:01     kudu_client_dir = find_kudu_client_install_dir()
11:11:01   File "/data/jenkins/workspace/impala-umbrella-build-and-test/repos/Impala/infra/python/bootstrap_virtualenv.py", line 216, in find_kudu_client_install_dir
11:11:01     error_if_kudu_client_not_found(install_dir)
11:11:01   File "/data/jenkins/workspace/impala-umbrella-build-and-test/repos/Impala/infra/python/bootstrap_virtualenv.py", line 233, in error_if_kudu_client_not_found
11:11:01     raise Exception("%s not found at %s" % (kudu_client_lib, lib_dir))
11:11:01 Exception: libkudu_client.so not found at /data/jenkins/workspace/impala-umbrella-build-and-test/Impala-Toolchain/kudu-0.8.0-RC1/debug/lib64
11:11:01 Error in /data/jenkins/workspace/impala-umbrella-build-and-test/repos/Impala/bin/impala-python at line 22:
11:11:01 Error in /data/jenkins/workspace/impala-umbrella-build-and-test/repos/Impala/buildall.sh at line 274: ${IMPALA_HOME}/bin/start-impala-cluster.py --kill --force